Home / 64,768,863.20-97,164,181.20-19,335,250.40

Finding the Fourth Proportional to 64,768,863.20, 97,164,181.20 and 19,335,250.40

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Solution

The fourth proportional to 64,768,863.20, 97,164,181.20 and 19,335,250.40 is: 29,006,125.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,768,863.20 : 97,164,181.20 = 19,335,250.40 : x
  2. Step 2: Convert to fraction form
    64,768,863.20/97,164,181.20 = 19,335,250.40/x
  3. Step 3: Cross multiply
    64,768,863.20x = 97,164,181.20 × 19,335,250.40
  4. Step 4: Simplify right side
    64,768,863.20x = 1,878,693,773,412,972.50
  5. Step 5: Solve for x
    x = 1,878,693,773,412,972.50/64,768,863.20
  6. Step 6: Final answer
    x = 29,006,125.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.